Home / 832,265,921.34-1,148,528,327.76-455,914,248.06

Finding the Fourth Proportional to 832,265,921.34, 1,148,528,327.76 and 455,914,248.06

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Solution

The fourth proportional to 832,265,921.34, 1,148,528,327.76 and 455,914,248.06 is: 629,162,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,265,921.34 : 1,148,528,327.76 = 455,914,248.06 : x
  2. Step 2: Convert to fraction form
    832,265,921.34/1,148,528,327.76 = 455,914,248.06/x
  3. Step 3: Cross multiply
    832,265,921.34x = 1,148,528,327.76 × 455,914,248.06
  4. Step 4: Simplify right side
    832,265,921.34x = 523,630,428,926,309,632
  5. Step 5: Solve for x
    x = 523,630,428,926,309,632/832,265,921.34
  6. Step 6: Final answer
    x = 629,162,405.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.